The Amazon rainforest absorbs more greenhouse gas than any other tropical forest, but, in the Brazilian Amazon, deforestation is threatening biodiversity and exacerbating climate change. Explore the interactive »

This weekend's Warsaw summit will remind the world—and Russian President Vladimir Putin—that the North Atlantic Treaty Organization (NATO) remains the real anchor of Western defense and that its solidarity need not depend on the fortunes of the European Union. Read more on The Internationalist »

Russian aggression in Ukraine has breathed new life into the Cold War-era security alliance, prompting allies to reinforce defenses in Eastern Europe and expand cooperation with nonmembers. Explore the Backgrounder »

Following the Brexit referendum, the United Kingdom, European Union, and NATO will now have to redefine their security and intelligence relationships. Read more on ForeignAffairs.com »

OPPOSITION SUPPORTERS CLASH WITH RIOT POLICE DURING A RALLY TO DEMAND A REFERENDUM TO REMOVE PRESIDENT NICOLAS MADURO IN VENEZUELA. (CARLOS GARCIA RAWLINS/REUTERS) / U.S. VICE PRESIDENT DICK CHENEY IS PICTURED IN THE PRESIDENT'S EMERGENCY OPERATIONS CENTER IN WASHINGTON IN THE HOURS FOLLOWING THE SEPTEMBER 11, 200 ATTACKS. (U.S. NATIONAL ARCHIVES/REUTERS)

President Barack Obama, citing security concerns, has slowed the withdrawal of U.S. forces in Afghanistan. The Center for Preventive Action's Global Conflict Tracker examines the challenges of defeating a resurgent Taliban. Explore the Global Conflict Tracker »

Over the past few decades, the second-highest elected office in the United States has become a power center in the executive branch, directly shaping U.S. foreign and domestic policy. Explore the Backgrounder »

An Audio Preview of the World Next Week

In this week's podcast, Robert McMahon and Elizabeth Saunders discuss the political situation in the United Kingdom, an international court ruling on China's claim to the South China Sea, and the EU-China summit in Beijing. Listen to the podcast »